1 <?php
3 class aclResolver
4 {
5 private $classMapping = array();
6 private $aclTypes = array();
7 private $affectingACLs = array();
9 private $renderedList = "";
11 // The users 'dn' and 'uid' used to verify the collected acls
12 private $validateDn;
13 private $validateUid;
14 private $acl_category;
15 private $parent;
17 // Used for the autocompleter
18 private $userMap;
20 function __construct($config, $dn, $parent)
21 {
22 $this->config = &$config;
23 $this->dn = $dn;
24 $this->parent = $parent;
26 // Replace this with a user defined one later.
27 $ui = get_userinfo();
28 $this->validateUid = $ui->uid;
29 $this->validateDn = $ui->dn;
31 // Build class mapping - only once, will not change during session.
32 if(!session::is_set('aclConverter::classMapping')){
33 $tmp= session::global_get('plist');
34 $plist= $tmp->info;
35 $map = array();
36 $map['all']= _("All categories");
37 foreach($plist as $class => $plInfo){
38 if(isset($plInfo['plCategory']) && is_array($plInfo['plCategory'])){
39 foreach($plInfo['plCategory'] as $category => $desc){
40 if(!is_numeric($category)){
41 $map[$category] = $desc['description'];
42 }
43 }
44 }
45 }
46 foreach($plist as $class => $plInfo){
47 if(isset($plInfo['plCategory']) && is_array($plInfo['plCategory'])){
48 foreach($plInfo['plCategory'] as $category => $desc){
49 if(!is_numeric($category)){
50 $map[$category."/".$class] = $map[$category]." - ".$plInfo['plDescription'];
51 }else{
52 $map[$desc."/".$class] = $map[$desc]." - ".$plInfo['plDescription'];
53 }
54 }
56 }
57 }
58 session::set('aclConverter::classMapping', $map);
59 }
60 $this->classMapping = session::get('aclConverter::classMapping');
62 // Define ACL type translations
63 $this->aclTypes= array("reset" => _("Reset ACLs"),
64 "one" => _("One level"),
65 "base" => _("Current object"),
66 "sub" => _("Complete subtree"),
67 "psub" => _("Complete subtree (permanent)"),
68 "role" => _("Use ACL defined in role"));
70 // Enforce to reload acl result
71 $this->renderedList = "";
72 }
75 function reload()
76 {
77 // Go through all ACLs and get those matching the objects dn.
78 $ui = get_userinfo();
79 $ui->reset_acl_cache();
80 $ui->loadACL();
82 // Get ACL category for the current object.
83 if(isset($this->parent->acl_category) && !empty($this->parent->acl_category)){
84 $this->acl_category = preg_replace("/\/$/","",$this->parent->acl_category);
85 }
87 foreach($ui->allACLs as $dn => $acls){
88 if(preg_match("/".preg_quote($dn,'/')."$/i", $this->dn)){
90 // Foreach dn there is a collection of ACLs indexed by their priority
91 foreach($acls as $prio => $acl){
92 if($acl['type'] == "reset"){
93 $this->affectingACLs[$dn][$prio] = $acl;
94 continue;
95 }else{
97 // Only get those entries with a relevant acl-category
98 foreach($acl['acl'] as $category => $attributes){
99 if(preg_match("/^all($|\/)/", $category) ||
100 preg_match("/^".$this->acl_category."($|\/)/", $category)){
101 $this->affectingACLs[$dn][$prio] = $acl;
102 continue;
103 }
104 }
105 }
106 }
107 }
108 }
109 }
113 /*! \brief Create a human readable HTML result
114 */
115 function getReadableACL()
116 {
117 if(isset($_POST['aclTarget'])){
118 $d = get_post('aclTarget');
119 if(isset($this->userMap[$d])){
120 $this->validateDn = $this->userMap[$d]['dn'];
121 $this->validateUid = $this->userMap[$d]['uid'][0];
122 $this->renderedList = "";
123 }
124 }
126 if(empty($this->renderedList)){
128 $this->reload();
130 // Autocompleter template
131 $autocompleter ="
132 <input class='filter_textfield' placeholder='"._("Search")."...'
133 id='aclTarget' name='aclTarget' type='text' value=''
134 onChange='document.mainform.submit();'>
136 <div id='autocomplete' class='autocomplete'></div>
137 <script type='text/javascript'>
138 new Ajax.Autocompleter(
139 'aclTarget',
140 'autocomplete',
141 'autocomplete.php',
142 { minChars: 3, frequency: 0.5 });
143 </script>";
145 // Base template - each entry start with this
146 $tpl =
147 "\n <tr class='acl-viewer-head %s'>".
148 "\n <td>%s</td>".
149 "\n <td colspan=2><b>%s</b> - %s</td>".
150 "\n </tr>".
151 "\n %s".
152 "\n <tr>".
153 "\n <td colspan=3><hr></td>".
154 "\n </tr>";
156 // If the acl consists of a user-object-filter then this template is used.
157 $filter_tpl =
158 "\n <tr class='%s'>".
159 "\n <td></td>".
160 "\n <td><b>"._("Filter")."</b></td>".
161 "\n <td><ul><li>%s</li></ul></td>".
162 "\n </tr>";
164 // Used to display ACL owner of type "group"
165 $gmem_tpl =
166 "\n <tr class='%s'>".
167 "\n <td></td>".
168 "\n <td><b>"._("Group members")."</b></td>".
169 "\n <td><ul>%s</ul></td>".
170 "\n </tr>";
172 // Used to display ACL owner of type "user"
173 $umem_tpl =
174 "\n <tr class='%s'>".
175 "\n <td></td>".
176 "\n <td><b>"._("Members")."</b></td>".
177 "\n <td><ul>%s</ul></td>".
178 "\n </tr>";
180 // Used to display the acl contents, except 'reset' and 'role'
181 $acl_tpl =
182 "\n <tr class='%s'>".
183 "\n <td></td>".
184 "\n <td><b>"._("Acls")."</b></td>".
185 "\n <td><ul>%s</ul></td>".
186 "\n </tr>";
189 $user = sprintf(_("ACL from the viewpoint of user '%s'"), "<b>".$this->validateUid."</b>");
190 $str = "<table summary='"._("Object permissions")."'>";
191 $str .= " <tr><td>".$user."</td><td>".$autocompleter."</td></tr>";
192 $str .= "</table>";
193 $str .= "<table summary='"._("Object permissions")."' class='acl-viewer'>";
194 $ldap = $this->config->get_ldap_link();
195 $ldap->cd($this->config->current['BASE']);
196 $ui = get_userinfo();
197 foreach($this->affectingACLs as $dn => $acls){
198 foreach($acls as $acl){
199 $gmem = $umem = $defs = "";
201 // Prepare entry icon (department or element?)
202 $image = (isset($this->config->idepartments[$dn]))? "images/select_department.png":"images/lists/element.png";
204 // The acl type (sub,psub,reset...)
205 $aclType = $this->aclTypes[$acl['type']];
207 // Does the filter match for current object?
208 $filter ="";
209 $match = TRUE;
210 if(!empty($acl['filter'])){
211 $match = $ldap->object_match_filter($this->dn,$acl['filter']);
212 $filter= $acl['filter'];
213 if(!$match){
214 $filter= "<span>".$filter."</span>";
215 }
216 }
218 // Check if we are part of the member list
219 if($match){
220 $found = FALSE;
221 foreach($acl['members'] as $mem => $desc){
222 if($mem == "U:{$this->validateDn}"){
223 $found = TRUE;
224 break;
225 }
226 if($mem == "G:*"){
227 $found = TRUE;
228 break;
229 }
230 if(preg_match("/^G:/", $mem)){
231 $gdn = preg_replace("/^G:/","",$mem);
232 $ldap->cat($gdn,array('memberUid'));
233 if($ldap->count()){
234 $attrs = $ldap->fetch();
235 if(isset($attrs['memberUid']) && in_array($this->validateUid, $attrs['memberUid'])){
236 $found = TRUE;
237 }
238 }
239 break;
240 }
241 }
242 $match = $found;
243 }
245 $class = "";
246 if(!$match){
247 $class = "acl-viewer-blocked";
248 }
250 if(!empty($filter)) $filter =sprintf($filter_tpl,$class,$filter);
252 foreach($acl['members'] as $type => $name){
253 if(preg_match("/^G/", $type))
254 $gmem .= "\n <li>".$name."</li>";
255 }
256 if(!empty($gmem)) $gmem =sprintf($gmem_tpl,$class,$gmem);
258 foreach($acl['members'] as $type => $name){
259 if(!preg_match("/^G/", $type))
260 $umem .= "\n <li>".$name."</li>";
261 }
262 if(!empty($umem)) $umem = sprintf($umem_tpl,$class,$umem);
264 if($acl['type']!='reset'){
265 foreach($acl['acl'] as $type => $acl){
266 if(isset($this->classMapping[$type])){
267 $defs .= "<li>".$this->classMapping[$type].": ".$this->aclToString($acl)."</li>";
268 }else{
269 $defs .= "<li>".$type.": ".$this->aclToString($acl)."</li>";
270 }
271 }
272 if(!empty($defs)) $defs = sprintf($acl_tpl, $class,$defs);
273 }
274 $str.= sprintf($tpl,$class, image($image), $dn, $aclType, $filter.$gmem.$umem.$defs);
275 }
276 }
277 $str .= "</table>";
278 $this->renderedList = $str;
279 }
280 return($this->renderedList);
281 }
283 function aclToString($acls)
284 {
285 $str ="<ul>";
286 foreach($acls as $name => $acl){
287 if($name == "0") $name = _("All");
288 $str .= "<li>".$name;
289 $str .= "<ul>";
290 if(preg_match("/s/", $acl)){
291 $str.="<li>"._("Grant permission to owner").'</li>';
292 }
293 if(preg_match("/r/", $acl)) $str.="<li>"._("read").'</li>';
294 if(preg_match("/w/", $acl)) $str.="<li>"._("write").'</li>';
295 if(preg_match("/c/", $acl)) $str.="<li>"._("Create").'</li>';
296 if(preg_match("/d/", $acl)) $str.="<li>"._("Remove").'</li>';
297 if(preg_match("/m/", $acl)) $str.="<li>"._("Move").'</li>';
298 $str.= "</ul>";
299 }
300 return($str."</ul>");
301 }
303 function processAutocomplete()
304 {
305 $ldap = $this->config->get_ldap_link();
306 $ldap->cd($this->config->current['BASE']);
307 $ldap->search("(&(objectClass=gosaAccount)(|(sn=*".get_post('aclTarget')."*)".
308 "(uid=*".get_post('aclTarget')."*)(givenName=*".get_post('aclTarget')."*)))",
309 array('uid','dn','sn','givenName'));
310 echo "<ul>";
311 while($attrs = $ldap->fetch()){
312 $display = $attrs['givenName'][0]." ".$attrs['sn'][0]." [".$attrs['uid'][0]."]";
313 echo "<li>{$display}</li>";
314 $this->userMap[$display] = $attrs;
315 }
316 echo "</ul>";
317 }
318 }
320 ?>